彼は興奮すればするほど口数が少なくなりました。
Sentence Analyzer
English Translation
        The more excited he got, the less talkative he became.
    
Furigana
Romanji
        Kare wa kōfunsureba suru hodo kuchikazu ga sukunaku narimashita.
    
Words
            
                彼
            
            
                (かれ)
            
        
        
            he; him; his; boyfriend
        
    
            
                は
            
            
                (は)
            
        
        
            topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis
        
    
            
                興奮
            
            
                (こうふん)
            
        
        
            excitement; stimulation; agitation; arousal
        
    
            
                為る
            
            
                (する)
            
        
        
            to do; to cause to become; to make (into); to turn (into); to serve as; to act as; to work as; to wear (clothes, a facial expression, etc.); to judge as being; to view as being; to think of as; to treat as; to use as; to decide on; to choose; to be sensed (of a smell, noise, etc.); to be (in a state, condition, etc.); to be worth; to cost; to pass (of time); to elapse; verbalizing suffix (applies to nouns noted in this dictionary with the part of speech "vs"); creates a humble verb (after a noun prefixed with "o" or "go"); to be just about to; to be just starting to; to try to; to attempt to
        
    
            
                程
            
            
                (ほど)
            
        
        
            degree; extent; bounds; limit; indicates approx. amount or maximum; upper limit
        
    
            
                口数
            
            
                (くちかず、くちすう)
            
        
        
            number of words a person speaks; number of dependents (words, shares, accounts)
        
    
            
                が
            
            
                (が)
            
        
        
            indicates sentence subject (occasionally object); indicates possessive (esp. in literary expressions); but; however; still; and
        
    
            
                少ない
            
            
                (すくない)
            
        
        
            few; a little; scarce; insufficient; seldom
        
    
            
                成る
            
            
                (なる)
            
        
        
            to become; to get; to grow; to be; to reach; to attain; to result in; to prove to be; to consist of; to be composed of; to succeed; to be complete; to change into; to be exchanged for; to play a role; to be promoted; to do ...
        
    Kanji
Readings: ヒ、 かれ、 かの、 か.の
                        Meanings: he, that, the
                    Readings: コウ、 キョウ、 おこ.る、 おこ.す
                        Meanings: entertain, revive, retrieve, interest, pleasure
                    Readings: フン、 ふる.う
                        Meanings: stirred up, be invigorated, flourish
                    Readings: コウ、 ク、 くち
                        Meaning: mouth
                    Readings: スウ、 ス、 サク、 ソク、 シュ、 かず、 かぞ.える、 しばしば、 せ.める、 わずらわ.しい
                        Meanings: number, strength, fate, law, figures
                    Readings: ショウ、 すく.ない、 すこ.し
                        Meanings: few, little